Re: [RFC PATCH 01/24] vhost-vdpa: fix backend feature ioctls
From: Eli Cohen
Date: Thu Sep 24 2020 - 03:38:39 EST
On Thu, Sep 24, 2020 at 03:26:08PM +0800, Jason Wang wrote:
>
> On 2020/9/24 下午3:16, Eli Cohen wrote:
> > On Thu, Sep 24, 2020 at 11:21:02AM +0800, Jason Wang wrote:
> > > Commit 653055b9acd4 ("vhost-vdpa: support get/set backend features")
> > > introduces two malfunction backend features ioctls:
> > >
> > > 1) the ioctls was blindly added to vring ioctl instead of vdpa device
> > > ioctl
> > > 2) vhost_set_backend_features() was called when dev mutex has already
> > > been held which will lead a deadlock
> > >
> > I assume this patch requires some patch in qemu as well. Do you have
> > such patch?
> >
>
> It's this series: [PATCH 0/3] Vhost-vDPA: batch IOTLB updating.
>
> You were copied.
>
Right, I miss those.
Thanks.